. Bulletin of the British Ornithologists' Club. . Fig. 1. Ventral, lateral, and dorsal views of the tracheal bulla of the Marbled Teal. The ruled line indicates one centimeter. Pink-headed Duck {Rhodonessa caryophyllacea), as shown in the illus- trations of Garrod (1875) and Beddard (1898). Thus the very difl'erent tracheal bulla types o\^ Anas and the Netta-Aythya group are neatly bridged by the intermediate types present in the Marbled Teal and the Pink- headed Duck, and a close relationship between the tribes Anatini and Aythyini is thereby Please note that these images are extr
. Bulletin of the British Ornithologists' Club. . Fig. 1. Ventral, lateral, and dorsal views of the tracheal bulla of the Marbled Teal. The ruled line indicates one centimeter. Pink-headed Duck {Rhodonessa caryophyllacea), as shown in the illus- trations of Garrod (1875) and Beddard (1898). Thus the very difl'erent tracheal bulla types o\^ Anas and the Netta-Aythya group are neatly bridged by the intermediate types present in the Marbled Teal and the Pink- headed Duck, and a close relationship between the tribes Anatini and Aythyini is thereby Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Ornithologists' Club. London : British Ornithologists' Club
Size: 1472px × 1698px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbritishornithologistsclub, bookcentury1900, bookcollec
